Home / 899,928.01-1,241,912.43-492,030.32

Finding the Fourth Proportional to 899,928.01, 1,241,912.43 and 492,030.32

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Solution

The fourth proportional to 899,928.01, 1,241,912.43 and 492,030.32 is: 679,008.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,928.01 : 1,241,912.43 = 492,030.32 : x
  2. Step 2: Convert to fraction form
    899,928.01/1,241,912.43 = 492,030.32/x
  3. Step 3: Cross multiply
    899,928.01x = 1,241,912.43 × 492,030.32
  4. Step 4: Simplify right side
    899,928.01x = 611,058,564,135.32
  5. Step 5: Solve for x
    x = 611,058,564,135.32/899,928.01
  6. Step 6: Final answer
    x = 679,008.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.